Clay Keim. Clay was a dominant force in 305 sprint racing at Fremont . Though no championship points were kept for a few years, had they been tallied he would have won a track title or two. Clay won a combined 14 features at Fremont in the 305 and 360 sprints. He was the 1992 305 sprint track champion at Attica Raceway Park and had 12 feature wins there.